Beyond the Time Barrier

In 1960, a pilot testing an experimental rocket powered aircraft accidentally flies into the future and finds himself in a sealed city whose people suspect he is a spy from outside their walls, but who want to keep him to procreate with the ruler's daughter because the majority of the inhabitants are sterile.

• 
  Robert Clarke

  Major William Allison
• 
  Darlene Tompkins

  Princess Trirene
• 
  Vladimir Sokoloff

  The Supreme
• 
  Boyd 'Red' Morgan

  Captain
• 
  Stephen Bekassy

  Gen. Karl Kruse
• 
  Neil Fletcher

  Air Force Chief
• 
  Arthur C. Pierce

  Mutant Escaping from Jail (uncredited)